KSZ8895MLUB - 5-Port 10/100 Managed Ethernet Switch | Microchip
MPN： KSZ8895MLUB ✓ 啟用中KSZ8895MLUB 概覽
An Ethernet switch is a Layer 2 network device that receives Ethernet frames on one port and forwards them to the appropriate destination port. The managed-switch category adds address learning, frame filtering, traffic control, and configuration functions to the basic frame-forwarding hierarchy. The KSZ8895MLUB combines these network functions with integrated physical-layer transceivers, reducing the component count required for a compact Ethernet switching subsystem.
The device provides four integrated 10/100BASE-TX PHYs and five MACs within a single package. Its internal architecture includes a dedicated address lookup engine, an on-chip frame buffer, and a high-speed non-blocking switch fabric. I2C and SPI interfaces allow a host processor to configure switch functions, while an internal core power controller supports system power management. On-chip termination is intended to reduce the system cost of cost-sensitive 10/100 Mbps five-port switch designs.
The KSZ8895 family is qualified to meet AEC-Q100 requirements for automotive applications. This qualification is important for vehicle-network equipment exposed to demanding temperature and reliability conditions. The combination of five MACs, four integrated PHYs, managed Layer 2 operation, and mixed-signal PHY technology supports compact Ethernet switches for automotive infotainment, vehicle connectivity, industrial networking, and embedded communications systems.
Typical implementations use the KSZ8895MLUB where multiple 10/100BASE-TX links must be consolidated through a compact managed switch. It can connect several embedded Ethernet endpoints to an uplink while the host controller handles configuration, status monitoring, and network policy. Its four integrated PHYs reduce the need for external copper transceivers, although one interface position may require additional PHY support depending on the system configuration.
When designing a PCB, place the 128-LQFP device to minimize trace lengths from each Ethernet magnetic-interface component and keep high-speed digital and analog supply paths well separated. Follow the pin-description table and recommended decoupling network in the manufacturer datasheet. Provide adequate copper area and thermal paths around the LQFP, and verify magnetics, impedance, reset sequencing, and management-bus pullups against the application circuit.
This page combines the manufacturer datasheet, distributor listings, package information, automotive qualification details, and cross-reference findings in a format that supports design selection, PCB planning, sourcing, and direct engineering comparison. The listed alternatives are limited to parts for which package and pin compatibility can be established rather than inferred from broad Ethernet-switch similarity.
直接替換替代品，適用於 KSZ8895MLUB — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： KSZ8895MLUB （相同外形與佔位） — 差異在於 Product Type, Package, Automotive Qualification, Host Interface, Number of Ports.
此產品無可直接替換的替代品。
申請替代品KSZ8895MLUB 最大額定值與電氣特性
| Product Type | Integrated 5-port 10/100 managed Ethernet switch |
| Port Count | 5 ports |
| MAC Unit Count | 5 MACs |
| Integrated PHY Count | 4 PHYs |
| Ethernet Data Rate | 10/100 Mbps |
| Copper Ethernet Standard | 10/100BASE-TX |
| Network Layer | Layer 2 managed switching |
| Switch Fabric | High-speed non-blocking switch fabric |
| Management Interfaces | I2C and SPI |
| Address Lookup | Dedicated address lookup engine |
| Frame Buffer | On-chip frame buffer memory |
| Termination | On-chip termination |
| Core Power Control | Internal core power controller |
| PHY Technology | Patented and enhanced mixed-signal technology |
| 封裝 | 128-LQFP (14 x 14 mm) |
| Automotive Qualification | AEC-Q100 |
KSZ8895MLUB 128-lqfp (14 x 14 mm) 腳位配置指南
KSZ8895MLUB（128-lqfp (14 x 14 mm) 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： KSZ8895MLUB.
請參閱 資料表 以查看完整腳位配置。
典型應用
KSZ8895MLUB 適用於 6 應用s: Automotive In-Vehicle Ethernet Switching, Vehicle Network Gateways, Industrial Embedded Ethernet Hubs, Automotive Infotainment Connectivity, Industrial Sensor Network Aggregation, Network Interface Concentrators.
Automotive In-Vehicle Ethernet Switching
The KSZ8895MLUB fits automotive Ethernet switching because it combines five MACs and four integrated 10/100BASE-TX PHYs in one 128-LQFP device. According to the Microchip Technology manufacturer datasheet, the KSZ8895 family meets AEC-Q100 qualification requirements. Place the switch between vehicle Ethernet nodes and a gateway or service-oriented network controller, using the I2C or SPI interface for configuration. Integrated PHYs and on-chip termination reduce the external component count, while the dedicated address lookup engine and frame buffer support managed Layer 2 forwarding.
推薦
Vehicle Network Gateways
The KSZ8895MLUB is appropriate for a vehicle gateway that must aggregate several Fast Ethernet links without relying on a collection of discrete PHYs. Its five MAC positions, four integrated 10/100BASE-TX PHYs, and non-blocking switch fabric allow multiple endpoints to communicate through a compact Layer 2 fabric. According to the Microchip Technology manufacturer datasheet, the on-chip frame buffer and dedicated address lookup engine support frame handling. Automotive system partitioning should account for the fifth MAC position and verify the required external interface arrangement.
推薦
Industrial Embedded Ethernet Hubs
The KSZ8895MLUB can serve as the switching element in a compact industrial Ethernet hub for controllers, sensors, and service interfaces. Five MAC units and four integrated 10/100 Mbps PHYs provide a managed Layer 2 foundation, while I2C and SPI permit configuration by an embedded host. According to the Microchip Technology manufacturer datasheet, on-chip termination and the internal core power controller are intended to reduce implementation cost. Industrial designers should verify environmental requirements, isolation strategy, magnetics, and fault behavior in the finished equipment.
推薦
Automotive Infotainment Connectivity
The KSZ8895MLUB supports infotainment systems that connect multiple Fast Ethernet endpoints through a managed switch. Its five MACs, four integrated 10/100BASE-TX PHYs, and frame buffer allow local traffic to be forwarded without sending every frame through a host processor. According to the Microchip Technology manufacturer datasheet, the device is automotive qualified to AEC-Q100 requirements. Use the SPI or I2C management path for controlled startup, address-table configuration, and status reporting within the infotainment domain.
推薦
Industrial Sensor Network Aggregation
The KSZ8895MLUB can aggregate traffic from a small group of 10/100 Mbps industrial sensors while a supervisory controller manages Layer 2 behavior. Its dedicated address lookup engine and on-chip frame buffer support switching tasks, and the host can configure the device through I2C or SPI. According to the Microchip Technology manufacturer datasheet, the switch includes four integrated PHYs and an internal core power controller. Designers should preserve separation between sensitive analog and Ethernet circuitry and validate deterministic behavior across expected network loads.
推薦
Network Interface Concentrators
The KSZ8895MLUB is suitable for a concentrator that gathers multiple 10/100BASE-TX links into a common switching fabric. Five MACs provide flexible endpoint aggregation, and the non-blocking switch fabric supports simultaneous traffic handling. According to the Microchip Technology manufacturer datasheet, the device combines enhanced mixed-signal PHYs with a dedicated address lookup engine and frame buffer. Implementation should follow the manufacturer reference circuitry for power, decoupling, reset, clocking, and copper-interface components to preserve signal and thermal margins.
推薦
推薦產品摘要
工程參考資料，適用於 KSZ8895MLUB — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 |
|---|---|
| Package | 128-LQFP (14 x 14 mm) |
| Brand | Microchip Technology |
| Port Count | 5 ports |
| MAC Unit Count | 5 MACs |
| Integrated PHY Count | 4 PHYs |
| Ethernet Data Rate | 10/100 Mbps |
| Management Interfaces | I2C and SPI |
| Automotive Qualification | AEC-Q100 |
設計說明
Use the 128-LQFP land pattern and pin table from the Microchip Technology manufacturer datasheet without substituting a generic 128-pin footprint. Confirm exposed-pad geometry, paste apertures, and any thermal-via requirements against the package drawing. Place decoupling capacitors close to their specified power pins and route high-current return paths through stable planes to reduce switching noise across the mixed-signal PHY circuitry.
Plan the Ethernet copper interface around the manufacturer's reference layout, including the required network magnetics, termination arrangement, and trace geometry. Keep the 10/100BASE-TX routes short, symmetrical, and isolated from switching supplies and high-speed digital signals. Pay particular attention to return paths and ground-plane continuity because the KSZ8895MLUB combines enhanced mixed-signal PHYs with a high-speed switch fabric.
Follow the manufacturer guidance for decoupling, reset sequencing, management-bus pullups, and core power control. The I2C and SPI interfaces require deliberate signal-level and topology decisions, while the internal core power controller must be used according to the reference application. Validate startup and shutdown timing in hardware, particularly when the Ethernet magnetics, host controller, and external power rails have different settling times.
合規資訊
The Microchip Technology manufacturer datasheet states that the KSZ8895 family is qualified to meet AEC-Q100 requirements. Other compliance declarations are not specified in the product records used for this page.
